Category Archives: History of Science

1543: On the Revolutions of Celestial Spheres

The Earth-centered universe was the prevailing wisdom of Medieval Europe until a Polish scholar named Nicolaus Copernicus suggested otherwise in his 1543 book, On the Revolutions of Celestial Spheres.  Copernicus was not the first person to suggest a heliocentric model … Continue reading

Posted in History of Science | Tagged , | Leave a comment

1450: The Printing Press

A vital precursor to the scientific revolution, the invention of the printing press changed the way information spread across the world by improving its fidelity and, most importantly, by hastening its rate of reproduction.  An increasing numbers of books with … Continue reading

Posted in History of Science | Leave a comment

900: Gunpowder

Gunpowder was invented in China and spread to the Middle East, eventually arriving in Europe around 1300, nearly 400 years after its invention.  Its impact in warfare was substantial and almost immediately felt on the battlefield through infantry weapons, having … Continue reading

Posted in History of Science | Tagged , | Leave a comment

800 BCE – 200 BCE: Gears

An important technology in allowing people do to work was the invention of the gear, a system consisting of cogs that takes energy from an input source, such as flowing water, and convert it to an output source, such as … Continue reading

Posted in History of Science | Tagged , | Leave a comment

3000 BCE – 600 BCE: Early Medicine and the Hippocratic Oath

The earliest forms of prehistoric medicines (before the written word) were probably various herbs used by shamans or medicine men to heal the diseased person.  Fire was also likely used for sterilizing and closing wounds. The earliest known medical texts … Continue reading

Posted in History of Science | Tagged | Leave a comment

3500 BCE: The Wheel

Although we think of the wheel as a transportation device, it was originally used by ancient Mesopotamian potters as far back as 3500 BCE, and possible earlier.  It took another 300 or so years for the idea to be extended … Continue reading

Posted in History of Science | Tagged | Leave a comment

5500 BCE – 5000 BCE: Metallurgy

The importance of metallurgy on human culture is so important that scholars typically divide ancient by metalworking ages such as the Stone, Bronze, and Iron Age.  Metallurgy provided usages and advancements in the production of weapons and armor, tools, utensils, … Continue reading

Posted in History of Science | Tagged | Leave a comment

1.5 Million – 400,000 Years Ago: Fire Power

At some point in history there had to be one initial crucial step that separated humans from the other animals in our journey to becoming the dominant species on this planet.  I will call that point the beginning of science … Continue reading

Posted in History of Science | Tagged | Leave a comment

1610: The Starry Messenger

The invention of the telescope by Dutch spectacle makers in 1608, and vastly improved upon by Galileo two years later, provided the tool for some of the most revolutionary and groundbreaking discoveries in the history of science. Published by Galileo … Continue reading

Posted in History of Science | Tagged | Leave a comment